#include<iostream>
#include<vector>
using namespace std;

int lengthOfLIS(vector<int>& nums) {
    int n = nums.size();
    vector<int> dp(n, 1);

    int ret = 1;
    for (int i = 1; i < n; i++) {
        for (int j = 0; j < i; j++) {
            if (nums[i] > nums[j]) {
                dp[i] = max(dp[j] + 1, dp[i]);
            }
            ret = max(ret, dp[i]);
        }
    }
    return ret;
}

int main()
{
    vector<int> nums = {10, 9, 2, 5, 3, 7, 101, 18};
    cout << lengthOfLIS(nums) << endl;
    return 0;
}